Preheat oven to 400*. Mix flours, bran, cinnamon, baking powder, baking soda & salt together in a large bowl.,In another bowl, whisk together the egg, brown sugar and oil. Stir in the yogurt, apple juice & apple.,Stir the wet ingredients into the dry until just moistened.,Spoon into greased (I use cooking spray) muffin tins, filling each to the top.,TOPPING: Mix together & sprinkle over muffins before baking.,______